diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2017-12-08 04:04:05.000000000 +0300
+++ b/CMakeLists.txt	2017-12-16 16:43:16.638931364 +0300
@@ -34,7 +34,7 @@
 )
 
 ############## Find Packages ##############
-set(REQUIRED_QT_VERSION "5.8.0")
+set(REQUIRED_QT_VERSION "5.7.1")
 find_package(Qt5 ${REQUIRED_QT_VERSION} REQUIRED COMPONENTS
     Core
     Network
